Home / 31,457.12-47,117.62-14,792.18

Finding the Fourth Proportional to 31,457.12, 47,117.62 and 14,792.18

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Solution

The fourth proportional to 31,457.12, 47,117.62 and 14,792.18 is: 22,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.12 : 47,117.62 = 14,792.18 : x
  2. Step 2: Convert to fraction form
    31,457.12/47,117.62 = 14,792.18/x
  3. Step 3: Cross multiply
    31,457.12x = 47,117.62 × 14,792.18
  4. Step 4: Simplify right side
    31,457.12x = 696,972,316.21
  5. Step 5: Solve for x
    x = 696,972,316.21/31,457.12
  6. Step 6: Final answer
    x = 22,156.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.